Tulip ring



FIG. 1 is a perspective view of the tulip ring of the invention.

FIG. 2 is a side view of the ring shown in FIG. 1; and,

FIG. 3 is a top view of the ring shown in FIG. 1.

The portions of the ring shown in broken lines form no part of the claimed design. 

The ornamental design for a tulip ring, as shown and described. 